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12.
A solar heater uses energy from the Sun to heat water. The panels of the heater are painted black.
Why is this?


Sagot :

Answer:

Solar water heaters are devices that use energy from the sun to heat water. ... This metal surface, placed in contact with the water, will heat the water. Black-painted surfaces that receive the sun's heat become hotter than surfaces of any other color. The black metal plate is called a collector.